1
$\begingroup$

This question already has an answer here:

This just blew my mind away! I was watching a video about imagining the fourth dimension and the narrator said that little line. Can some people elaborate on this. Also please keep it simple not too complicated. Thank you!

$\endgroup$

marked as duplicate by John Rennie, Brandon Enright, Stan Liou, Kyle Kanos, Qmechanic Mar 14 '14 at 13:54

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.